Do Aphids Really Spoil the Monarch’s Party?
Oleander aphids (Aphis nerii) are commonly viewed with disdain by devotees of monarchs (Danaus plexippus). This is the time of the season when we see hordes of the non-native yellow aphids on common milkweed (Asclepias syriaca) plants that are "reserved" for monarchs. Of course, it shows that Nature takes no restaurant reservations, even for royalty.
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